Sou Hu Cai Jing·2025-10-29 18:17Group 1 - Apple and Microsoft both surpassed a market capitalization of $4 trillion, joining NVIDIA to form a new "trio" of the highest-valued companies in the tech sector, highlighting the increasing concentration in the technology industry [1][3] - Microsoft's stock rose over 3% due to a capital restructuring of its key partner OpenAI, where Microsoft holds a stake valued at $135 billion, representing approximately 27% of the company [1] - Since becoming a major supporter of OpenAI in 2019, Microsoft has invested over $13 billion, further solidifying its strategic position in the AI sector [1] Group 2 - Apple's stock has increased approximately 13% since the launch of its new iPhone on September 9, marking a turnaround in its performance for the year [3] - Strong demand for the new iPhone has boosted market confidence and alleviated investor concerns regarding Apple's slower pace in the AI race [3] - JPMorgan analyst Samik Chatterjee raised Apple's target price to $290 per share, suggesting that the new product cycle may help Apple regain growth momentum [3] Group 3 - Despite Apple and Microsoft reaching the $4 trillion market cap milestone, NVIDIA remains the leader with a market capitalization exceeding $4.6 trillion, underscoring the explosive growth in demand for computing power in the global tech industry [3]